3431780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 8285760

約数和(自身を除く): 4853980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 821, 836, 1045, 1642, 2090, 3284, 4105, 4180, 8210, 9031, 15599, 16420, 18062, 31198, 36124, 45155, 62396, 77995, 90310, 155990, 171589, 180620, 311980, 343178, 686356, 857945, 1715890, 3431780]

約数ペア:

[(1, 3431780), (2, 1715890), (4, 857945), (5, 686356), (10, 343178), (11, 311980), (19, 180620), (20, 171589), (22, 155990), (38, 90310), (44, 77995), (55, 62396), (76, 45155), (95, 36124), (110, 31198), (190, 18062), (209, 16420), (220, 15599), (380, 9031), (418, 8210), (821, 4180), (836, 4105), (1045, 3284), (1642, 2090)]